CN207572102U - A kind of railway locomotive heats cable with self limiting temperature - Google Patents
A kind of railway locomotive heats cable with self limiting temperature Download PDFInfo
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- CN207572102U CN207572102U CN201721291375.3U CN201721291375U CN207572102U CN 207572102 U CN207572102 U CN 207572102U CN 201721291375 U CN201721291375 U CN 201721291375U CN 207572102 U CN207572102 U CN 207572102U
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- cable
- restrictive coating
- self limiting
- railway locomotive
- limiting temperature
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Abstract
The utility model is related to a kind of railway locomotive self limiting temperatures to heat cable.The utility model belongs to technical field of electric wires and cables.A kind of railway locomotive heats cable with self limiting temperature, it is characterized in that：Railway locomotive self limiting temperature heating cable is flat structure, is made of conductor (1), insulating layer (2), inner restrictive coating (3), braiding layer (4), restrictive coating (5)；Two conductor (1) parallel arrangements form the flat structure of cable, semiconductive polyolefin insulation layer (2) is equipped between two conductors (1), inner restrictive coating (3) is squeezed out on the outside of insulating layer (2), inner restrictive coating (3) is externally provided with braiding layer (4), and braiding layer (4) squeezes out outside restrictive coating (5).The utility model has excellent self limiting temperature heating properties and physical mechanical property, temperature-controlled precision is high, and installation and maintenance are easy, and bulk life time is long, harsh use environment is adapted to, the advantages that Halogen, low cigarette, fire-retardant, resistance to scraped finish, tension, oil resistant, acid and alkali-resistance, good salt spray resistance.
Description
Technical field
The utility model belongs to technical field of electric wires and cables, and electricity is heated more particularly to a kind of railway locomotive self limiting temperature
Cable.
Background technology
At present, railway locomotive heats cable with self limiting temperature, using common heating cable.Existing common heating cable exists
Applied to railway locomotive aqueduct, valve, tank body when components heat preservation and it is antifreeze when, can not meet Halogen, low cigarette, it is fire-retardant,
The performance requirements such as resistance to scraped finish, tension, oil resistant, acid and alkali-resistance, salt spray resistance, it is also necessary to heating temperature could be controlled by installing extra means,
Install and use and maintenance process in it is complicated for operation, a series of problems, such as time-consuming and laborious, is installed.
Invention content
The utility model provides a kind of railway locomotive self limiting temperature for technical problem present in solution known technology and adds
Electric heating cable.
The purpose of this utility model is to provide a kind of with excellent self limiting temperature heating properties and physical mechanical property, temperature control
Precision is high, installs and uses and repair simplicity, and bulk life time is long, adapts to the environment of installing and using of harshness, Halogen, low cigarette, fire-retardant, resistance to
The railway locomotive of the features such as scraped finish, tension, oil resistant, acid and alkali-resistance, good salt spray resistance heats cable with self limiting temperature.
The cable is mainly the electric wire mating for railway locomotive, is suitable for railway locomotive aqueduct, valve, tank body
Wait the heat preservation of components and antifreeze.The cable has Halogen, low cigarette, fire-retardant, resistance to scraped finish, tension, oil resistant, acid and alkali-resistance, salt spray resistance etc.
Performance；Extra means, which need not be installed, can automatically control heating temperature, install and use and maintenance process in simplify operation, it is convenient
Fast.
The characteristics of the utility model railway locomotive heats cable with self limiting temperature：
Pressing outer diameter during conductor strand makes smooth surface, is uniformly distributed insulating layer electric field；Self limiting temperature semi-conductive layer is accurate
Material mixture ratio makes temperature-controlled precision reach ± 0.8 DEG C；Inner sheath is mutually compatible with insulating while insulation is protected, and ensures that cable is whole
Performance and service life；It is whole to improve cable while meeting cable entirety Electro Magnetic Compatibility for the tin plating B alloy wire braiding layer of high-strength flexible
Body mechanical strength；Special polyether type overwrap designs, make cable have Halogen, low cigarette, fire-retardant, oil resistant, softness, wear-resisting, acid and alkali-resistance,
The performances such as salt spray resistance；Whole structure design makes cable can adapt to harsher environment of installing and using, at the same simplify installation and
Maintenance operation.
The utility model railway locomotive self limiting temperature heating cable is adopted the technical scheme that：
A kind of railway locomotive heats cable with self limiting temperature, it is characterized in that：Railway locomotive self limiting temperature heating cable is flat
Shape structure is made of conductor, insulating layer, inner restrictive coating, braiding layer, restrictive coating；Two conductors are arranged in parallel, and to form cable flat
Shape structure is equipped with semiconductive polyolefin insulation layer between two conductors, squeezes out inner restrictive coating on the outside of insulating layer, inner restrictive coating is externally provided with
Braiding layer, braiding layer squeezes out outside restrictive coating.
The utility model railway locomotive self limiting temperature heating cable can also adopt the following technical scheme that：
The railway locomotive heats cable with self limiting temperature, its main feature is that：Conductor is twisted tinned conductor, and semiconductive gathers
Alkene insulating layer has temperature automatically controlled function, reaches limiting temperature and automatically powers off, two conductors and semiconductive polyolefin insulation layer
Cross section be dumbbell shape structure.
The railway locomotive heats cable with self limiting temperature, its main feature is that：Braiding layer is using flexible tin plating B alloy wire braiding
Structure.
The utility model has the advantages and positive effects of：
Railway locomotive heats cable as a result of the completely new technical solution of the utility model with self limiting temperature, with the prior art
It compares, the utility model has the characteristics that：
After this structure, make the cable that there are excellent self limiting temperature heating properties and physical mechanical property.Smoothly
Conductive surface can effectively uniform semi-conductive insulation layer electric field distribution, prevent under microstructure that localized heat stable state is inconsistent to be caused
Cable bulk life time declines；Self limiting temperature semi-conductive layer has overlength maximum temperature working life, and accurate material mixture ratio makes temperature control
Precision reaches ± 0.8 DEG C；Inner sheath uses high-temperature resistant grade material, guarantee cable overall performance mutually compatible with insulating and service life；
Braiding layer uses the tin plating B alloy wire of high-strength flexible, and it is strong that cable whole machinery is improved while meeting cable entirety Electro Magnetic Compatibility
Degree；The heatproof polyether-type material that sheath uses makes cable have Halogen, low cigarette, fire-retardant, oil resistant, softness, wear-resisting, acid and alkali-resistance, resistance to
The performances such as salt fog adapt to harsher install and use environment.In addition to this, add without installing extra means and can automatically control
Hot temperature, install and use and maintenance process in simplify operation, it is convenient and efficient.
Description of the drawings
Fig. 1 is the utility model railway locomotive self limiting temperature heating construction of cable schematic diagram.
In figure, 1, conductor, 2, insulating layer, 3, inner restrictive coating, 4, braiding layer, 5, restrictive coating.
Specific embodiment
For that can further appreciate that the utility model content, feature and effect of the utility model, the following examples are hereby given, and
It is described in detail with the accompanying drawings as follows：
Refering to attached drawing 1.
Embodiment 1
A kind of railway locomotive with self limiting temperature heat cable, be flat structure, by conductor 1, insulating layer 2, inner restrictive coating 3,
Braiding layer 4, restrictive coating 5 are formed；Two parallel arrangements of conductor 1 form the flat structure of cable, and semiconductive is equipped between two conductors 1
Polyolefin insulation layer 2,2 outside of insulating layer squeeze out inner restrictive coating 3, and inner restrictive coating 3 is externally provided with braiding layer 4, and being squeezed out outside braiding layer 4 has
Restrictive coating 5.
Conductor 1 is twisted tinned conductor, and semiconductive polyolefin insulation layer 2 has temperature automatically controlled function, reaches restriction temperature
Degree automatically powers off, and the cross section of two conductors 1 and semiconductive polyolefin insulation layer 2 is dumbbell shape structure.Braiding layer is using flexible
Tin plating B alloy wire braiding structure.
The present embodiment specific implementation process：
The nominal section of the present embodiment：2~38mm2, cable core number：2 cores, rated voltage：110~380V, temperature range：
45~95 DEG C, power bracket：8~80W/m.
The design feature of the present embodiment：
Pressing outer diameter during conductor strand makes smooth surface；The self limiting temperature semi-conductive layer material of exact material proportioning；High intensity
Flexible tin plating B alloy wire braiding layer；Special polyether type is corrosion-resistant, the sheath of resistance to environmental disruption.
After the present embodiment uses this structure, make the cable that there are excellent self limiting temperature heating properties and Physical Mechanical
Energy.Smooth conductive surface can effectively uniform semi-conductive insulation layer electric field distribution, prevent under microstructure localized heat stable state not
It is consistent that cable bulk life time is caused to decline；Self limiting temperature semi-conductive layer has overlength maximum temperature working life, and accurate material is matched
Than temperature-controlled precision is made to reach ± 0.8 DEG C；Inner sheath uses high-temperature resistant grade material, guarantee cable overall performance mutually compatible with insulating
And the service life；Braiding layer uses the tin plating B alloy wire of high-strength flexible, and it is whole to improve cable while meeting cable entirety Electro Magnetic Compatibility
Body mechanical strength；Sheath use heatproof polyether-type material, make cable have Halogen, low cigarette, fire-retardant, oil resistant, softness, it is wear-resisting,
The performances such as acid and alkali-resistance, salt spray resistance adapt to harsher install and use environment.In addition to this, without installing extra means
Automatically control heating temperature, install and use and maintenance process in simplify operation, it is convenient and efficient.
Claims (3)
1. a kind of railway locomotive heats cable with self limiting temperature, it is characterized in that：Railway locomotive self limiting temperature heating cable is flat
Structure is made of conductor (1), insulating layer (2), inner restrictive coating (3), braiding layer (4), restrictive coating (5)；Two conductors (1) are parallel
Arrangement forms the flat structure of cable, and semiconductive polyolefin insulation layer (2) is equipped between two conductors (1), is squeezed on the outside of insulating layer (2)
Go out inner restrictive coating (3), inner restrictive coating (3) is externally provided with braiding layer (4), and braiding layer (4) squeezes out outside restrictive coating (5).
2. railway locomotive according to claim 1 heats cable with self limiting temperature, it is characterized in that：Conductor (1) is twisted plating
Tin conductor, semiconductive polyolefin insulation layer (2) have temperature automatically controlled function, reach limiting temperature and automatically power off, two conductors (1)
Cross section with semiconductive polyolefin insulation layer (2) is dumbbell shape structure.
3. railway locomotive according to claim 1 or 2 heats cable with self limiting temperature, it is characterized in that：Braiding layer (4) is using soft
The tin plating B alloy wire braiding structure of property.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721291375.3U CN207572102U (en) | 2017-10-09 | 2017-10-09 | A kind of railway locomotive heats cable with self limiting temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721291375.3U CN207572102U (en) | 2017-10-09 | 2017-10-09 | A kind of railway locomotive heats cable with self limiting temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207572102U true CN207572102U (en) | 2018-07-03 |
Family
ID=62694964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721291375.3U Active CN207572102U (en) | 2017-10-09 | 2017-10-09 | A kind of railway locomotive heats cable with self limiting temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207572102U (en) |
-
2017
- 2017-10-09 CN CN201721291375.3U patent/CN207572102U/en active Active
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